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Dham

Richa Dham, Bangalore IN

Patent application numberDescriptionPublished
20100222074METHOD FOR UPDATING LOCATION OF USER EQUIPMENT - A method for updating location of a user equipment in a cellular system is disclosed. The method comprises the user equipment receiving route update radius information 09-02-2010
20100223388Apparatus and method for triggering session re-negotiation between access network and access terminal in a high rate packet data system - The invention relates to a method for triggering re-negotiation of a session when an Access Terminal moves from one access network (source AN) to another access network (target AN) having different capabilities in high rate packet data system. According to an exemplary embodiment of the invention, the source AN is allowed to store all the protocol subtypes, protocols and applications that AT is capable of and also allowing the AT to send this information in priority order during session negotiation and hence facilitating the transfer of this information from source AN to target AN during session transfer when AT moves from one AN to another AN. An alternate embodiment is to let the AT send the protocol subtypes, protocols and applications and other AT capable information to target AN after it moves to a new AN or by letting the Rev-A capable AN query the AT's capability information and then the AT providing this information. In another exemplary embodiment, the invention includes re-negotiation by introducing a revision (like Protocol revision) information in overhead information messages that an AN broadcasts to all ATs.09-02-2010

Vikram Dham, Fremont, CA US

Patent application numberDescriptionPublished
20100232439MEDIATED NETWORK ADDRESS TRANSLATION TRAVERSAL - A method of establishing a connection traversing at least one network address translation (NAT) gateway is presented. In the method, a bind request is sent from a source device to a mediation element via a NAT gateway. A bind response associated with the bind request is received. A connection request is sent to the mediation element. The mediation element causes the connection request to be sent to a destination device. A connection response associated with the connection request is received. A hello message is sent to a predicted destination address. The predicted destination address is based on an address received in the connection response. A data connection is established between the source device and the destination device using the predicted destination address.09-16-2010
20110153718SYSTEMS AND METHODS FOR ESTABLISHING NETWORK CONNECTIONS USING LOCAL MEDIATION SERVICES - Systems and methods facilitate communication between clients, servers or other nodes located on separate local area networks (LANs) or sub-networks within a home, office, campus or other environment using one or more mediation servers located within the local network environment. The server establishes a persistent connection to each available mediation service. The client requests a connection to the server by providing addresses or other connection information associated with the client to one or more of the mediation servers in communication with the server. The mediation server(s) send network information associated with the client to the server via the persistent connections. The server responds to the mediation server(s) by providing network information that can be relayed to the client. When the client and server have exchanged network information, communications between the client and server can be established using conventional or proprietary network address translation (NAT) or other techniques.06-23-2011
20110153845METHODS AND APPARATUS FOR ESTABLISHING NETWORK CONNECTIONS USING AN INTER-MEDIATING DEVICE - Systems and methods are provided to facilitate communication between a first device and a second device on a network. A first wireless communication session is established between the first device and a remote control or other intermediating device. A network address used by the first device to communicate on the network is received from the first device via the first wireless communication session. A second wireless communication session is established between the intermediating device and a second device, and the first address is provided to the second device via the second wireless communication session.06-23-2011

Vikram Dham, Brentwood, TN US

Patent application numberDescriptionPublished
20090019177SECURE CONTENT CASTING NETWORK - A system and method for transmitting content on a peer-to-peer network. A content item a content provider and divided into a plurality of content segments. Each of the content segments is encrypted and dividing into at least one content segment stripe. Each of the content segment stripes are transmitted one of a plurality of nodes on the peer-to-peer network, wherein substantially all of the content segment stripes are transmitted to different nodes on the peer-to-peer network for retransmission substantially in parallel to a second node on the peer-to-peer network.01-15-2009